The table shows the charges on up quarks and down quarks - Edexcel - A-Level Physics - Question 1 - 2023 - Paper 4
Question 1
The table shows the charges on up quarks and down quarks.
| Quark | Charge / e |
|-------|------------|
| u | +2/3 |
| d | -1/3 |
Which row of ... show full transcript
Worked Solution & Example Answer:The table shows the charges on up quarks and down quarks - Edexcel - A-Level Physics - Question 1 - 2023 - Paper 4
Step 1
Proton: Determine Quark Composition
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Answer
A proton is composed of two up quarks and one down quark. Therefore, its quark structure is represented as 'uud'.
Step 2
Neutron: Determine Quark Composition
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Answer
A neutron consists of one up quark and two down quarks. Its quark structure is represented as 'udd'.
Step 3
Identify Correct Row
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Answer
Putting together the structures for protons and neutrons, we find that the correct row from the options provided is 'C', which shows 'duu' for protons and 'udd' for neutrons.
